commit 8352d8a473ac84bf7a1c69690b626946d744ca58
author Chris Mason <chris.mason@oracle.com> Thu Apr 12 10:43:05 2007 -0400
committer David Woodhouse <dwmw2@hera.kernel.org> Thu Apr 12 10:43:05 2007 -0400
tree 58686bb1de3d994a881d6176dafd7c16dfadeeca
parent 7eccb903a817e890c947ba4bc90c6a9af9b4219a

Btrfs: add disk ioctl, mostly working

Signed-off-by: Chris Mason <chris.mason@oracle.com>

fs/btrfs/transaction.c

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 3a15943..8740752 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -116,7 +116,13 @@
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_root *tree_root = fs_info->tree_root;
 	struct btrfs_root *extent_root = fs_info->extent_root;
+	struct btrfs_root *dev_root = fs_info->dev_root;
 
+	if (btrfs_super_device_root(fs_info->disk_super) !=
+	    bh_blocknr(dev_root->node)) {
+		btrfs_set_super_device_root(fs_info->disk_super,
+					    bh_blocknr(dev_root->node));
+	}
 	while(1) {
 		old_extent_block = btrfs_root_blocknr(&extent_root->root_item);
 		if (old_extent_block == bh_blocknr(extent_root->node))